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7.4A Rate of Change in Mathematical and Real World Problems

Last updated about 3 years ago

12 questions

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Question 1

1.

Frank and his family drove 6 hours every day during a road trip. Which graph best represents y, the total number of hours driven in x days?

Question 2

2.

During migration, a butterfly can trael 30 miles in 1 hour. Which graph best represents y, the number of miles a butterfly can travel in x hours?

Question 3

3.

An artist is making a scale model of a statue. On the model 2 inches represents 1 foot on the actual statue. Which graph best represents this relationship?

Question 4

4.

How did you identify which graph matches the situation for question 3?

Question 5

5.

Which of these does NOT represent the distance a car travels when going 55 miles per hour?

d = 55t, where d represents distance in miles and t represents time in hours

In 3 hours a car will travel a distance of 160 miles

Question 6

6.

The graph represents the linear relationship between the number of books Layla has read and the number of months she has been a member of a book club.

Which of these statements is supported by the rate of change in this relationship?

Layla read 2 books in the first 3 months she was a member of the book club.

Layla read 3 books in the first 2 months she was a member of the book club.

Layla read 3 books in the first 4 months she was a member of the book club.

Layla read 4 books in the first 3 months she was a member of the book club.

Question 7

7.

Which answer choice represents a person burning 90 calories by climbing 18 flights of stairs?

c = f + 5, where c represents the number of calories burned and f represents the number of flights of stairs climbed

A person who climbs 5 flights of stairs will burn 1 calorie

Question 8

8.

Pamela rode her bike at a constant rate of 0.1 kilometer per minute. Which table represents y, the number of kilometers Pamela roder her bike in x minutes?

Question 9

9.

Natasha has a job putting letters in envelopes to be mailed. In 1 hour she put 42 letters in envelopes.
Which equation best represents y, the total number of letters Natasha puts in envelopes in x hours if she continues at this rate?

x = y + 42

y = x + 42

x = 42y

y = 42x

Question 10

10.

How did you identify which equation matches the situation for question 9?

Question 11

11.

An online game increases in number of users at a rate of 500 users each day. Which graph best represents the relationship between y, the number of users, and x, the number of days?

Question 12

12.

A dog eats 1.25 cups of dog food twice a day. Which graph best represents this relationship?

Completed early? Continue practicing with IXL Lesson J.16 Constant Rate of Change (TWW)